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Article #39963

Re: Make BIOS think screen is 80x20?

#39963
From: Allan Pratt
Date: Tue, 02 Jan 1990 19:27
26 lines
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nut@wet.UUCP (adam tilghman) writes:
>  Can anyone out there in NetLand tell me how to make TOS think that the
>screen is only 80x20? [...] Is is possible to just push Logbase up while 
>keeping Physbase the same, creating a bottom-of-the-screen area?

Gee, that sounds interesting.  Don't try it unless you know more about
this stuff than it sounds like you do.

In SALAD (Still Another Line-A Document) the negative line-A variables
are documented, and among them you will find a "number of vertical
alpha cells" variable (better known as "number of text lines").  Set
this smaller than it already is, and you will have created a short
screen with unused lines at the bottom -- lines you can use for your
status stuff.  Of course, you can't use Bconout to write to that status
area... Unless you write in the true value for "number of lines," then
go to the bottom and write what you want, then write in your fake
"number of lines" value.

SALAD is available to developers in a couple of places, including
online on GEnie and possibly other services.  Or call Gail Johnson,
(408) 745-2000, to get it (or become a developer if you aren't one
already).

============================================
Opinions expressed above do not necessarily	-- Allan Pratt, Atari Corp.
reflect those of Atari Corp. or anyone else.	  ...ames!atari!apratt
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Message-ID: <1918@atari.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!sun-barr!newstop!sun!imagen!atari!apratt
References: <897@wet.UUCP>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!cs.utexas.edu!sun-barr!newstop!sun!imagen!atari!apratt
From: apratt@atari.UUCP (Allan Pratt)
Newsgroups: comp.sys.atari.st
Subject: Re: Make BIOS think screen is 80x20?
Message-ID: <1918@atari.UUCP>
Date: 2 Jan 90 19:27:46 GMT
References: <897@wet.UUCP>
Organization: Atari Corp., Sunnyvale CA
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